<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="jquery-3.6.1.min.js"></script>
</head>
<body>

<ul id="test-ul">
    <li class="js">JavaScript</li>
    <li name="py">Python</li>
</ul>

<script>
    $('#test-ul li[name=py]').text();//获得值
    $('#test-ul li[name=py]').text('dddd');//设置值
    $('#test-ul').html();
</script>
</body>
</html>